Ключевые слова: backgrounds, box, cable, chains, closeup, cold, component, computer, connection, construction, control, coolant, distribution, electric, electrical, electrician, electricity, electronics, energy, engineer, equipment, flash, fuse, fusebox, household, industrial, industry, intensity, light, line, machinery, metal, multimeter, network, panel, power, repairing, row, safety, striped, supply, switch, technician, technology, textured, tool, tube, voltage, wire, work,